Finding the Fourth Proportional to 8,485,051.30, 11,709,756.37 and 5,000,537.13
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Solution
The fourth proportional to 8,485,051.30, 11,709,756.37 and 5,000,537.13 is: 6,900,968.47
Step by Step Solution
- Step 1: Write the proportion equation
8,485,051.30 : 11,709,756.37 = 5,000,537.13 : x - Step 2: Convert to fraction form
8,485,051.30/11,709,756.37 = 5,000,537.13/x - Step 3: Cross multiply
8,485,051.30x = 11,709,756.37 × 5,000,537.13 - Step 4: Simplify right side
8,485,051.30x = 58,555,071,511,439.02 - Step 5: Solve for x
x = 58,555,071,511,439.02/8,485,051.30 - Step 6: Final answer
x = 6,900,968.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.